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Christopher J. McDougle, MDChristopher J. McDougle, MDAlbert E. Sterne Professor andAlbert E. Sterne Professor and
ChairmanChairmanDepartment of PsychiatryDepartment of Psychiatry
Indiana University School of MedicineIndiana University School of Medicine
Psychopharmacology of AutismPsychopharmacology of Autism
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Potential Targets ofPotential Targets ofPharmacotherapyPharmacotherapy
1.1. Motor hyperactivity, inattentionMotor hyperactivity, inattention
2.2. Repetitive behaviorRepetitive behavior
3.3. Aggression, selfAggression, self--injury, propertyinjury, propertydestructiondestruction
4.4. Impaired social relatednessImpaired social relatedness
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Potential Targets ofPotential Targets ofPharmacotherapyPharmacotherapy
1.1. Motor hyperactivity, inattentionMotor hyperactivity, inattention
2.2. Repetitive behaviorRepetitive behavior
3.3. Aggression, selfAggression, self--injury, propertyinjury, propertydestructiondestruction
4.4. Impaired social relatednessImpaired social relatedness
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Stimulants in AutismStimulants in Autism Historical data and beliefs negativeHistorical data and beliefs negative
Small studies support use of MPH inSmall studies support use of MPH inautismautism1,21,2
Anecdotal reports of a high frequency ofAnecdotal reports of a high frequency ofadverse drug effects includingadverse drug effects includingstereotypies and social withdrawalstereotypies and social withdrawal
MPH = methylphenidate.MPH = methylphenidate.11Quintana H et al.Quintana H et al. J Autism Dev DisordJ Autism Dev Disord. 1995;25:283. 1995;25:283--294.294.22Handen BL et al.Handen BL et al. J Autism Dev DisordJ Autism Dev Disord. 2000;30:245. 2000;30:245--255.255. 6
RUPP Autism Network Study of MPH inRUPP Autism Network Study of MPH in
Children With PDD + HyperactivityChildren With PDD + Hyperactivity
72 Children (age, 572 Children (age, 514 y) with autism,14 y) with autism,Aspergers Disorder, or PDD NOS andAspergers Disorder, or PDD NOS andsignificant ADHD symptomssignificant ADHD symptoms
Study designStudy design
77--day testday test--dose perioddose period
44--week doubleweek double--blind trial of 3 dose levelsblind trial of 3 dose levels(0.125, 0.25, 0.50 mg/kg/dose) of MPH TID(0.125, 0.25, 0.50 mg/kg/dose) of MPH TIDand placebo in random orderand placebo in random order
PDDNOS = pervasive developmental disorder not otherwise specified.PDDNOS = pervasive developmental disorder not otherwise specified.
ADHD = attention deficit/hyperactivity disorder.ADHD = attention deficit/hyperactivity disorder.
RUPP Autism Network.RUPP Autism Network. Arch Gen PsychiatryArch Gen Psychiatry2005; 62:12662005; 62:1266--12741274..
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TestTest--Dose PhaseDose Phase 6 out of 72 subjects were unable to6 out of 72 subjects were unable to
toleratetolerate2 dose levels of MPH and were dropped2 dose levels of MPH and were droppedfrom the studyfrom the study
16 out of the remaining 66 subjects had16 out of the remaining 66 subjects hadintolerable adverse effects at the highestintolerable adverse effects at the highestdose of MPH; entered modified crossoverdose of MPH; entered modified crossoverphasephase
Irritability was the most common reasonIrritability was the most common reasonfor intolerabilityfor intolerability
RUPP Autism Network.RUPP Autism Network. Arch Gen PsychiatryArch Gen Psychiatry2005; 62:12662005; 62:1266--1274.1274. 8
Crossover PhaseCrossover Phase
58/66 subjects completed the crossover58/66 subjects completed the crossoverphasephase
7 subjects dropped out due to intolerable7 subjects dropped out due to intolerableadverse effectsadverse effects
There was a statistically significant mainThere was a statistically significant maineffect of dose of MPH on the ABCeffect of dose of MPH on the ABCHyperactivity subscale score as rated byHyperactivity subscale score as rated byboth teacher (Primary Outcome Measure; Pboth teacher (Primary Outcome Measure; P=.009) and parent (P
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Treating Hyperactivity:Treating Hyperactivity:Other MedicationsOther Medications
Clonidine efficacious in 2 small placeboClonidine efficacious in 2 small placebo--controlled trialscontrolled trials1,21,2
OpenOpen--label guanfacine in RUPP MPHlabel guanfacine in RUPP MPHnonresponders is positive, suggesting thatnonresponders is positive, suggesting thatguanfacine may be an alternativeguanfacine may be an alternative33
1Jaselskis CA et al. J Clin Psychopharmacol. 1992;12:322-327.2Fankhauser MP et al. J Clin Psychiatry. 1992;53:77-82.3Scahill L et al. J Child Adolesc Psychopharmacol. 2006;16(5):589-598.
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Atomoxetine inAtomoxetine inHigherHigher--Functioning PDDFunctioning PDD
Prospective openProspective open--label study in 16 druglabel study in 16 drug--free children (age, 6free children (age, 614 y) with PDDs14 y) with PDDsand nonverbal IQ of 70and nonverbal IQ of 70
Significant ADHD symptomsSignificant ADHD symptoms
Atomoxetine dosing: 0.5 mg/kg/d x 1 wk,Atomoxetine dosing: 0.5 mg/kg/d x 1 wk,then 0.8 mg/kg/d x 1 wk, then 1.2then 0.8 mg/kg/d x 1 wk, then 1.2mg/kg/d. Dose increased to 1.4 mg/kg/dmg/kg/d. Dose increased to 1.4 mg/kg/dat Week 4 for nonrespondersat Week 4 for nonresponders
Mean dose: 1.2Mean dose: 1.2 0.3 mg/kg/d0.3 mg/kg/dPosey DJ et al. J Child Adolesc Psychopharmacol, 2006; 16(5):5992006; 16(5):599--610610.
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Atomoxetine in PDD WithAtomoxetine in PDD WithADHD SymptomsADHD Symptoms
12/16 (75%)12/16 (75%) muchmuchoror very much improvedvery much improvedon the CGI scaleon the CGI scale
2/16 (13%)2/16 (13%) much worsemuch worsedue to irritabilitydue to irritability
ConclusionsConclusions
Encouraging resultsEncouraging results
Possible alternative to stimulants andPossible alternative to stimulants and22--adrenergic agonistsadrenergic agonists
PlaceboPlacebo--controlled studies neededcontrolled studies needed
CGI = Clinical Global Impressions.
Posey DJ et al. J Child Adolesc Psychopharmacol, 2006; 16(5):5992006; 16(5):599--610610. 16
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Potential Targets ofPotential Targets of
PharmacotherapyPharmacotherapy
1.1. Motor hyperactivity, inattentionMotor hyperactivity, inattention
2.2. Repetitive behaviorRepetitive behavior
3.3. Aggression, selfAggression, self--injury, propertyinjury, propertydestructiondestruction
4.4. Impaired social relatednessImpaired social relatedness
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Serotonin ReuptakeSerotonin Reuptake
Inhibitors (SRIs)Inhibitors (SRIs)
Rationale for studying SRIs in autismRationale for studying SRIs in autism
Similarities to obsessiveSimilarities to obsessive--compulsive disordercompulsive disorder
Serotonin abnormalities in autismSerotonin abnormalities in autism
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SRIs in AutismSRIs in Autism Clomipramine better than placebo andClomipramine better than placebo and
desipramine in children and young adultsdesipramine in children and young adultswith autismwith autism11
Fluvoxamine better than placebo inFluvoxamine better than placebo inADULTSADULTSwith autismwith autism22
Fluvoxamine no better than placebo andFluvoxamine no better than placebo andpoorly tolerated inpoorly tolerated in CHILDRENCHILDREN with PDDswith PDDs33
Fluoxetine better than placebo and welltolerated in children with PDDs4
1Gordon CT et al.Arch Gen Psychiatry. 1993;50:441-447.2McDougle CJ et al.Arch Gen Psychiatry. 1996;53:1001-1008.3McDougle CJ. Unpublished data.4Hollander E et al. Neuropsychopharmacology. 2005; 30:582-589. 20
Citalopram in PDDsCitalopram in PDDs
149 children (9.4149 children (9.4 3.1 years) with PDDs and significant3.1 years) with PDDs and significant
repetitive behaviorrepetitive behavior 1212--week, doubleweek, double--blind, placeboblind, placebo--controlled, parallel groupscontrolled, parallel groups
designdesign
Citalopram started at 2.5 mg/day; max dose = 20 mg/day;Citalopram started at 2.5 mg/day; max dose = 20 mg/day;(mean dose = 16.5(mean dose = 16.5 6.5 mg/day)6.5 mg/day)
No drugNo drug--placebo difference in response on CGIplacebo difference in response on CGI--I or in scoreI or in scorereduction on CYreduction on CY--BOCSBOCS--PDDPDD
Significantly more adverse events with citalopram thanSignificantly more adverse events with citalopram thanplacebo: increased energy level, impulsiveness, decreasedplacebo: increased energy level, impulsiveness, decreasedconcentration, hyperactivity, stereotypy, diarrhea, insomnia,concentration, hyperactivity, stereotypy, diarrhea, insomnia,and dry skin or pruritusand dry skin or pruritus
King BH et al. Arch Gen Psychiatry. 2009; 66(6):583-590.
21 22
Potential Targets ofPotential Targets ofPharmacotherapyPharmacotherapy
1.1. Motor hyperactivity, inattentionMotor hyperactivity, inattention
2.2. Repetitive behaviorRepetitive behavior
3.3. Aggression, selfAggression, self--injury, propertyinjury, propertydestructiondestruction
4.4. Impaired social relatednessImpaired social relatedness
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Typical AntipsychoticsTypical Antipsychotics
Several RCTs of haloperidol associatedSeveral RCTs of haloperidol associatedwith improvement in a variety ofwith improvement in a variety ofsymptoms including aggression andsymptoms including aggression andirritabilityirritability
Adverse effects: dystonia, dyskinesiasAdverse effects: dystonia, dyskinesias
RCT = randomized clinical trial.
Anderson LT et al.Am J Psychiatry. 1984;141:1195-1202.
Campbell M et al. J Am Acad Child Adolesc Psychiatry. 1997;36:835-843.24
Atypical AntipsychoticsAtypical Antipsychotics Serotonin antagonism in addition to dopamineSerotonin antagonism in addition to dopamine
antagonismantagonism
Lower risk of dyskinesiasLower risk of dyskinesias
Individual drugs includeIndividual drugs include
ClozapineClozapine
RisperidoneRisperidone
OlanzapineOlanzapine
QuetiapineQuetiapine
ZiprasidoneZiprasidone
AripiprazoleAripiprazole
PaliperidonePaliperidone
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ClozapineClozapine
Case reports onlyCase reports only
Can lower the seizure thresholdCan lower the seizure threshold
Risk of agranulocytosisRisk of agranulocytosis
Frequent blood draws necessaryFrequent blood draws necessary
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Risperidone in Children WithRisperidone in Children WithAutism and Serious BehavioralAutism and Serious Behavioral
ProblemsProblemsRUPP Autism NetworkRUPP Autism Network
Indiana University (Christopher J. McDougle, MD)Indiana University (Christopher J. McDougle, MD)
KennedyKennedy--Kreiger, Johns Hopkins (Elaine Tierney, MD)Kreiger, Johns Hopkins (Elaine Tierney, MD)
Ohio State University (Michael G. Aman, PhD; L. EugeneOhio State University (Michael G. Aman, PhD; L. EugeneArnold, MD)Arnold, MD)
Yale Child Study Center (Larry Scahill, MSN, PhD)Yale Child Study Center (Larry Scahill, MSN, PhD)
UCLA (James T. McCracken, MD)UCLA (James T. McCracken, MD)
NIMH (Benedetto Vitiello, MD)NIMH (Benedetto Vitiello, MD)
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Acute Risperidone Trial: RUPPAcute Risperidone Trial: RUPPin Children and Adolescentsin Children and Adolescents
101 subjects (82 boys, 19 girls)101 subjects (82 boys, 19 girls)
Diagnosis: autistic disorderDiagnosis: autistic disorder
Significant irritability (ABC IrritabilitySignificant irritability (ABC Irritability 18)18)
8 weeks, double8 weeks, double--blind, placeboblind, placebo--controlled,controlled,
parallel groupsparallel groups Mean age = 8.8Mean age = 8.8 2.7 y; range = 52.7 y; range = 517 y17 y
Risperidone 1.8 mg/d; range = 0.5Risperidone 1.8 mg/d; range = 0.53.5 mg/d3.5 mg/d
RUPP Autism Network. N Engl J Med. 2002;347:314-321. 28
Acute Risperidone Trial: RUPPAcute Risperidone Trial: RUPP
12%
69%
0
20
40
60
80
100
Risperidone Placebo
Percent
Responding
Response criteria: 25% improvement in the ABC-I score, and arating of much improved or very much improved on the CGI-I
(34/49)(34/49)
(6/52)(6/52)
PP< 0.001< 0.001
ABC-I = Aberrant Behavior ChecklistIrritability.
CGI-I = Clinical Global ImpressionsImprovement.
RUPP Autism Network. N Engl J Med. 2002;347:314-321.
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Acute Risperidone Trial: RUPPAcute Risperidone Trial: RUPPAdverse effectsAdverse effects
Mean increase in weightMean increase in weight
Risperidone, 2.7Risperidone, 2.7 2.9 kg2.9 kg
Placebo, 0.8Placebo, 0.8 2.2 kg;2.2 kg; PP< 0.001< 0.001
Increased appetite, fatigue, drowsiness,Increased appetite, fatigue, drowsiness,dizziness, and drooling were more commondizziness, and drooling were more commonin the risperidone group; allin the risperidone group; all PP< 0.05< 0.05
AIMS and SimpsonAIMS and Simpson--Angus: no EPSAngus: no EPS
AIMS = Abnormal Involuntary Movement Scale.
EPS = extrapyramidal symptoms.
RUPP Autism Network. N Engl J Med. 2002;347:314-321.30
Baseline and EndpointBaseline and Endpoint
ABC Scores by GroupABC Scores by GroupRisperidoneRisperidone PlaceboPlacebo
ABCABC BaselineBaseline EndpointEndpoint BaselineBaseline EndpointEndpoint
IrritabilityIrritabilityPP< 0.001< 0.001
26.2 (7.9)26.2 (7.9) 11.3 (7.4)11.3 (7.4) 25.5 (6.6)25.5 (6.6) 21.9 (9.5)21.9 (9.5)
SocialSocialWithdrawalWithdrawalPP= 0.03/NS= 0.03/NS
16.4 (8.2)16.4 (8.2) 8.9 (6.4)8.9 (6.4) 16.1 (8.7)16.1 (8.7) 12.0 (8.3)12.0 (8.3)
StereotypyStereotypyPP< 0.001< 0.001
10.6 (4.9)10.6 (4.9) 5.8 (4.6)5.8 (4.6) 9.0 (4.4)9.0 (4.4) 7.3 (4.8)7.3 (4.8)
HyperactivityHyperactivityPP< 0.001< 0.001
31.8 (9.6)31.8 (9.6) 17.0 (9.7)17.0 (9.7) 32.3 (8.5)32.3 (8.5) 27.6 (10.6)27.6 (10.6)
InappropriateInappropriateSpeechSpeech
PP= 0.03/NS= 0.03/NS
4.8 (4.1)4.8 (4.1) 3.0 (3.1)3.0 (3.1) 6.5 (3.6)6.5 (3.6) 5.9 (3.8)5.9 (3.8)
RUPP Autism Network. N Engl J Med. 2002;347:314-321.
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RUPP RisperidoneRUPP Risperidone Parent Management TrainingParent Management Training
TrialTrial 124 children (4 to 13 years) with PDDs and124 children (4 to 13 years) with PDDs and
significant irritabilitysignificant irritability
2424--week, threeweek, three--site, randomized, parallelsite, randomized, parallelgroups trialgroups trial
Children randomized 3:2 to COMB (n=75) orChildren randomized 3:2 to COMB (n=75) orMED (n=49)MED (n=49)
Parents in COMB received a mean of 10.9Parents in COMB received a mean of 10.9PMT sessionsPMT sessions
RUPP Autism Network. J Am Acad Child Adolesc Psychiatry. 2009;48(2):1143-1154.
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RUPP RisperidoneRUPP Risperidone Parent Management TrainingParent Management Training
TrialTrial
Primary Outcome Measure (Home SituationsPrimary Outcome Measure (Home SituationsQuestionnaire [HSQ]); COMB > MED (P=.006)Questionnaire [HSQ]); COMB > MED (P=.006)
COMB > MED on ABC Irritability (P=.01),COMB > MED on ABC Irritability (P=.01),Stereotypic Behavior (P=.04), andStereotypic Behavior (P=.04), andHyperactivity/Noncompliance (P=.04)Hyperactivity/Noncompliance (P=.04)
Final Risperidone dose for MED (2.26 mg/day) vs.Final Risperidone dose for MED (2.26 mg/day) vs.COMB (1.98 mg/day) (P=.04)COMB (1.98 mg/day) (P=.04)
ABC = Aberrant Behavior Checklist.
RUPP Autism Network. J Am Acad Child Adolesc Psychiatry. 2009;48(2):1143-1154.
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Olanzapine vs. HaloperidolOlanzapine vs. Haloperidol
12 children with autism (7.812 children with autism (7.8 2.1 y)2.1 y)
66--week openweek open--label, parallel groupslabel, parallel groups
Olanzapine 7.9Olanzapine 7.9 2.5 mg/d2.5 mg/d
Haloperidol 1.4Haloperidol 1.4 0.7 mg/d0.7 mg/d
Response: Olanzapine 5/6 Haloperidol 3/6Response: Olanzapine 5/6 Haloperidol 3/6
Weight Gain:Weight Gain:Olanzapine 9.0Olanzapine 9.0 3.5 lbs; range 5.93.5 lbs; range 5.9 15.8 lbs15.8 lbs
Haloperidol 3.2Haloperidol 3.2 4.9 lbs; range4.9 lbs; range -- 5.55.5 8.8 lbs8.8 lbs
Malone RP et al. J Am Acad Child Adolesc Psychiatry. 2001;40:887-894.
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OlanzapineOlanzapine DoubleDouble--Blind,Blind,
Placebo Controlled StudyPlacebo Controlled Study 11 children with pervasive developmental11 children with pervasive developmental
disorders (9 y)disorders (9 y)
88--week, doubleweek, double--blind, placeboblind, placebo--controlledcontrolled
Olanzapine 10Olanzapine 10 2.04 mg/d2.04 mg/d
Response: Olanzapine 3/6 Placebo 1/5Response: Olanzapine 3/6 Placebo 1/5
Weight Gain: Olanzapine 7.5Weight Gain: Olanzapine 7.5 4.8 lbs4.8 lbs
Placebo 1.5Placebo 1.5 1.5 lbs1.5 lbs
Hollander E et al. J Child Adolesc Psychopharmacol. 2006;16(5):541-548.
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QuetiapineQuetiapine
Four openFour open--label studies:label studies:
1.1. Age range 6Age range 6--15 y, Dosage range 10015 y, Dosage range 100--350350
mg/d, Response 2/6 (Martin et al. 1999)mg/d, Response 2/6 (Martin et al. 1999)
2.2. Age range 10Age range 10--17 y, Dosage range 10017 y, Dosage range 100--
450 mg/d, Response 2/9 (Findling et al.450 mg/d, Response 2/9 (Findling et al.
2004)2004)
3.3. Age range 5Age range 5--28 y, Dosage range 2528 y, Dosage range 25--600600
mg/d, Response 8/20 (Corson et al. 2004)mg/d, Response 8/20 (Corson et al. 2004)
4.4. Age range 7Age range 7--17 y, Dosage range 26517 y, Dosage range 265--689689
mg/d, Response 6/10 (Hardan & Handenmg/d, Response 6/10 (Hardan & Handen
2005)2005)
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ZiprasidoneZiprasidone Retrospective case series, 14.15Retrospective case series, 14.15 8.298.29
wkwk
12 subjects12 subjects
Mean age = 11.62Mean age = 11.62 4.38 y; range = 8 to4.38 y; range = 8 to20 y20 y
Mean dose = 59.23Mean dose = 59.23 34.76 mg/d;34.76 mg/d;range = 20range = 20--120 mg/d120 mg/d
Response: 6/12 (50%) on CGIResponse: 6/12 (50%) on CGI--II
No significant weight gainNo significant weight gain
McDougle CJ et al. J Am Acad Child Adolesc Psychiatry. 2002;41:921-927.38
ZiprasidoneZiprasidone 66--week prospective, openweek prospective, open--label studylabel study
12 subjects12 subjects
Mean age = 14.5Mean age = 14.5 1.8 y; range = 12 to 18 y1.8 y; range = 12 to 18 y
Mean dose = 98.3Mean dose = 98.3 40.4 mg/d; range = 20 to 16040.4 mg/d; range = 20 to 160
mg/dmg/d
Response: 9/12 (75%) on Clinician CGIResponse: 9/12 (75%) on Clinician CGI--II
No significant weight gainNo significant weight gain
QTQTcc increased a mean of 14.7 msec; none > 448increased a mean of 14.7 msec; none > 448msecmsec
Malone et al. J Child Adolesc Psychopharmacol. 2007;17:779-790.
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Aripiprazole in AspergersAripiprazole in AspergersDisorder and PDD NOSDisorder and PDD NOS
1414--week prospective, openweek prospective, open--label studylabel study
25 subjects (6 female, 19 male; age =25 subjects (6 female, 19 male; age =8.6 y, range = 58.6 y, range = 5--17 y)17 y)
IQ = 82, range = 50IQ = 82, range = 50--132132
Target Symptoms = Irritability,Target Symptoms = Irritability,aggression, selfaggression, self--injury (ABC Irritabilityinjury (ABC Irritabilitysubscale scoresubscale score 18)18)
Dose 7.8 mg/d, range 2.5Dose 7.8 mg/d, range 2.5 15 mg/d15 mg/dStigler et al. J Child Adolesc Psychopharmacol. 2009; 19(3):265-274.
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Aripiprazole in AspergersAripiprazole in AspergersDisorder and PDD NOSDisorder and PDD NOS
Response:Response: CGICGI--I = Much Improved or Very MuchI = Much Improved or Very MuchImproved and aImproved and a 25% improvement in ABC 25% improvement in ABCIrritability subscale score 21/25 (84%)Irritability subscale score 21/25 (84%)
ABC Irritability Subscale Score:ABC Irritability Subscale Score:
Baseline = 28, Endpoint = 8.8Baseline = 28, Endpoint = 8.8
Adverse Effects:Adverse Effects:
Mild tiredness = 16, Moderate tiredness = 1Mild tiredness = 16, Moderate tiredness = 1
Mild EPS = 6Mild EPS = 6
Weight gain = 19, Mean = 2.3 lbs, range =Weight gain = 19, Mean = 2.3 lbs, range = --3.33.3 7.7 lbs7.7 lbs
Stigler et al. J Child Adolesc Psychopharmacol. 2009; 19(3):265-274.
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Aripiprazole in AutismAripiprazole in Autism
Flexible Dose StudyFlexible Dose Study 98 children and adolescents with autism (age 698 children and adolescents with autism (age 6--17 years)17 years)
with significant irritabilitywith significant irritability
88--week, doubleweek, double--blind, placeboblind, placebo--controlled, parallel groups,controlled, parallel groups,flexiblyflexibly--dosed (2dosed (2--15 mg/day) trial15 mg/day) trial
Aripiprazole (8.5 mg/day) more efficacious than placebo onAripiprazole (8.5 mg/day) more efficacious than placebo onAberrant Behavior Checklist Irritability subscale (P
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Potential Targets ofPotential Targets ofPharmacotherapyPharmacotherapy
1.1. Motor hyperactivity, inattentionMotor hyperactivity, inattention
2.2. Repetitive behaviorRepetitive behavior
3.3. Aggression, selfAggression, self--injury, propertyinjury, propertydestructiondestruction
4.4. Impaired social relatednessImpaired social relatedness
44
Medications Studied forMedications Studied forSocial Impairment in AutismSocial Impairment in Autism
Not effectiveNot effective
FenfluramineFenfluramine
NaltrexoneNaltrexone
LamotrigineLamotrigine
AmantadineAmantadine
RisperidoneRisperidone
FluoxetineFluoxetine
CitalopramCitalopram
45
DD--Cycloserine in Children withCycloserine in Children withAutismAutism
80 chilren (6.580 chilren (6.5 2.8 years; range 32.8 years; range 3--12 years) with12 years) withautistic disorder and significant social withdrawalautistic disorder and significant social withdrawal
88--week, doubleweek, double--blind, placeboblind, placebo--controlled, parallelcontrolled, parallelgroups designgroups design
DD--cycloserine 1.7 mg/kg/day divided twice daily orcycloserine 1.7 mg/kg/day divided twice daily orplaceboplacebo
No drugNo drug--placebo difference on the CGIplacebo difference on the CGI--I, ABC SocialI, ABC SocialWithdrawal subscale, or Social Responsiveness ScaleWithdrawal subscale, or Social Responsiveness Scale
DD--cycloserine generally wellcycloserine generally well--toleratedtolerated
Posey DJ et al.AACAP Poster 3.53, 2008.46
Future DirectionsFuture Directions
Motor Hyperactivity/InattentionMotor Hyperactivity/Inattention
-- DoubleDouble--blind, placeboblind, placebo--controlled trial of atomoxetinecontrolled trial of atomoxetine
-- DoubleDouble--blind, placeboblind, placebo--controlled trial of guanfacinecontrolled trial of guanfacine
Repetitive BehaviorRepetitive Behavior
-- Pilot studies of riluzolePilot studies of riluzole
Aggression, SelfAggression, Self--Injury, Property DestructionInjury, Property Destruction
-- Pilot studies of paliperidonePilot studies of paliperidone
Impaired social RelatednessImpaired social Relatedness- Controlled trial of D-cycloserine + Social Skills Training
- Double-blind, placebo-controlled trial of memantine
- Pilot studies of intranasal oxytocin
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Christian Sarkine AutismChristian Sarkine Autism
Treatment CenterTreatment Center Christopher J. McDougle, MDChristopher J. McDougle, MD David J. Posey, MDDavid J. Posey, MD Naomi B. Swiezy, PhDNaomi B. Swiezy, PhD Kimberly A. Stigler, MDKimberly A. Stigler, MD Craig Erickson, MDCraig Erickson, MD Noha Minshawi, PhDNoha Minshawi, PhD Stacie Pozdol, MSStacie Pozdol, MS Doug Gaebler, MSWDoug Gaebler, MSW Arlene Kohn, BAArlene Kohn, BA Elizabeth Kiefer, MAElizabeth Kiefer, MA Lauren MathieuLauren Mathieu--Frasier, MSFrasier, MS Jennifer Mullett, RN, BC CCRPJennifer Mullett, RN, BC CCRP Jon Diener, BSJon Diener, BS Iryna Ashby, BSIryna Ashby, BS Melodie Rose, BAMelodie Rose, BA
www.iupui.edu/~psycdept/autism/index.htm
(317) 274-8162